How many nests of the yellow bird propagation for a year

The yellow bird's artificial reproduction of two nests of nests.This kind of birds in the wild will camp on the tree, and the nest is relatively hidden. Usually, it is wrapped with cobweb, moss, and fiber, which looks more exquisite.Both female birds and male birds will participate in the nest. After the establishment, the female birds start to have eggs. Usually they breed in May-June. There are 4-6 eggs per nest.Birds are mainly.